| Official Name: | Khan Na Yao |
| Native Name: | คันนายาว |
| Settlement Type: | Khwaeng |
| Subdivision Type: | Country |
| Subdivision Type2: | Province |
| Subdivision Name2: | Bangkok |
| Subdivision Type3: | Khet |
| Subdivision Name3: | Khan Na Yao |
| Area Total Km2: | 12.917 |
| Area Footnotes: | [1] |
| Population As Of: | 2020 |
| Population Total: | 47313 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Postal Code Type: | Postal code |
| Blank Name: | TIS 1099 |
Khan Na Yao (Thai: คันนายาว, in Thai pronounced as /kʰān nāː jāːw/) is a khwaeng (subdistrict) of Khan Na Yao District, in Bangkok, Thailand. In 2020, it had a total population of 47,313 people.[2]
In Khan Na Yao, there is a neighbourhood called "Lo Lae" (หลอแหล, in Thai pronounced as /ɔː lɛː/). Originally, it was the name of a floating market on Khlong Saen Saep that flowed through the area. The floating market ceased around late 1990s. Its name is a corruption of the word "Ron Ram" (รอนแรม, in Thai pronounced as /rɔːn rɛːm/), which means "wandering". Since Khan Na Yao was once considered quite far from the downtown, and because it was a waterside area, people traveling by boat would arrive here at dusk, so they had to spend the night here, hence the name. Currently, what known as Lo Lae is the area behind the Khan Na Yao School, and called the same canal that flows continuously to the adjacent districts in the south, Saphan Sung and Rat Phatthana.[3]